SHANGHAI, Jun. 28 (SMM) – API crude oil inventories in the US unexpectedly rose, pushing down NYMEX August oil below USD 44/bbl. IMF lowered its forecast for US economic growth for this and next year. Fed Chair Janet Yellen said US productivity remained low, weighing down the US dollar. Gold increased. LME nickel will hover at highs today, and SHFE 1709 nickel should hover between RMB 75,300-76,500/mt, with spot prices between RMB 74,500-77,200/mt.